A pumpkin weighed 6½ kg before it was carved. It now weighs 1½ kg. What fraction of its weight has been removed?

How many ghosts are in the haunted house?
Here are some clues:
There are more than the number of days in October
There are less than the product of 7 and 5
The answer is an odd number

Seven mummies in a row
Fifteen rows plus another two
I think it's time that you should go
Because all those mummies are after you

How many mummies are chasing you?

How many bats?
Clue: A square number;
More than four squared;
Less than four cubed;
Even.

Count your toes and hands and feet
Multiply those three sums
Add the month when ghosts all meet
Subtract the date halloween comes.

Teacher: Tap on a window for a Halloween Starter.

Share

Topics: Starter | Fractions | Mixed

• Transum,
•
• Here's a joke for the teacher:

Why do mathematicians think that Halloween is the same as Christmas?

Answer: 31 Oct = 25 Dec

[Think number bases!]
• S. Hale, Woodchurch HS
•
• Classes really enjoyed this starter, I split the class into groups and had a quiz of the five questions. It revised a lot of different maths the only criticism is that you have six mummies in a row and not seven as said in the question.

[Transum: The lost mummy has been found. Thanks for pointing it out]
• Tom Howe, Barnwell Secondary School
•
• A very good idea for a website because it promotes fun in maths.
• E.Maginn, Bebington High
•
• A fun starter that all my groups enjoyed!(Years 7,8+9)Pity there were only six mummies.
• Karen, Mlps Albany Australia
•
• My class and I would have liked to have had scary music accompanying the opening / clicking on windows - i.e. as it zooms in.

[Transum:Thanks for the suggestion Karen. A clap of thunder and a little music now accompanies the opening of the windows. Best experienced with your speakers turned up high!]
• Mrs Cranbury, Five Dock High
•
• Awesome.

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This starter has scored a mean of 3.3 out of 5 based on 564 votes.

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## Hello World

You are buying a (driverless) car. One vehicle is programmed to save as many lives as possible in a collision. Another promises to prioritize the lives of its passengers. Which do you choose?

Welcome to the age of the algorithm, the story of a not-too-distant future where machines rule supreme, making important decisions – in healthcare, transport, finance, security, what we watch, where we go even who we send to prison. So how much should we rely on them? What kind of future do we want?

Hannah Fry takes us on a tour of the good, the bad and the downright ugly of the algorithms that surround us. In Hello World she lifts the lid on their inner workings, demonstrates their power, exposes their limitations, and examines whether they really are an improvement on the humans they are replacing. more...

 Teacher, do your students have access to computers?Do they have iPads or Laptops in Lessons? Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Transum.org/go/?Start=October31

Here is the URL which will take them to a related student activity called 'Trick or Treat'.

Transum.org/go/?to=Treat

But if it is something less mathematical with a Halloween theme you want:

Transum.org/go/?to=hsquorder

Spooky sound effect (Ambient Darkness) is by D J Chronos at Freesound.org

For Students:

For All: